<!doctype html>

<head>
  <meta charset="utf-8">
  <title>HospProject</title>
  <base href="/">

  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />
  <link rel="icon" type="image/x-icon" href="favicon.ico">
  <link href="//res.wx.qq.com/open/libs/weui/1.1.2/weui.min.css" rel="stylesheet">
  <script src="http://res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>

  <style>
    body,
    html {
      width: 100%;
    }
  </style>
</head>

<body>
  <app-root>
    <style>
      app-root {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;

        color: pink;
        text-transform: uppercase;
        font-family: -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Oxygen-Sans,
        Ubuntu,
        Cantarell,
        Helvetica,
        sans-serif;
        font-size: 2.5em;
        text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
      }

      body {
        background: salmon;
        margin: 0;
        padding: 0;
      }

      @keyframes dots {
        50% {
          transform: translateY(-.4rem);
        }
        100% {
          transform: translateY(0);
        }
      }

      .d {
        animation: dots 1.5s ease-out infinite;
      }

      .d-2 {
        animation-delay: .5s;
      }

      .d-3 {
        animation-delay: 1s;
      }
    </style>
    Loading
    <span class="d">.</span>
    <span class="d d-2">.</span>
    <span class="d d-3">.</span>
  </app-root>

</body>

</html>